<template>
	<div>
		<el-breadcrumb separator-class="el-icon-arrow-right">
			<el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
			<el-breadcrumb-item>权限管理</el-breadcrumb-item>
			<el-breadcrumb-item>角色列表</el-breadcrumb-item>
		</el-breadcrumb>
		<el-card>
			<el-button type="primary">添加角色</el-button>
			<el-table :data="rolesList" stripe style="width: 100%" border>
				<el-table-column type="expand">
					<template slot-scope="scope">
						<el-row :class="['dbbottom',i1===0 ?'dbtop':'','vcenter']" v-for="(item1, i1) in scope.row.children"
							:key='item1.id'>
							<el-col :span="5">
								<el-tag closable @close="removeRightById(scope.row,item1.id)">
									{{item1.authName}}
								</el-tag>
								<i class="el-icon-caret-right"></i>
							</el-col>
							<el-col :span="19">
								<el-row :class="[i2===0 ?'':'dbtop','vcenter']"
									v-for="(item2, i2) in item1.children" :key='item2.id'>
									<el-col :span="6">
										<el-tag type="success" closable @close="removeRightById(scope.row,item2.id)">
											{{item2.authName}}
										</el-tag>
										<i class="el-icon-caret-right"></i>
									</el-col>
									<el-col :span="18">
										<el-tag type="warning" v-for="(item3, i3) in item2.children" :key='item3.id' closable @close="removeRightById(scope.row,item3.id)">
											{{item3.authName}}
										</el-tag>
									</el-col>
								</el-row>
							</el-col>
						</el-row>
						<!-- <pre>{{scope.row}}</pre> -->
					</template>
				</el-table-column>
				<el-table-column type="index" label="#">
				</el-table-column>
				<el-table-column prop="roleName" label="角色名称">
				</el-table-column>
				<el-table-column prop="roleDesc" label="角色描述">
				</el-table-column>
				<el-table-column prop="level" label="操作" width="300px">
					<template slot-scope='scope'>
						<el-button type="primary" icon="el-icon-edit" size="mini">编辑</el-button>
						<el-button type="danger" icon="el-icon-delete" size="mini">删除</el-button>
						<el-button type="warning" icon="el-icon-setting" size="mini" @click='showSetRightDialog(scope.row)'>分配权限</el-button>
					</template>
				</el-table-column>
			</el-table>
		</el-card>
		<!-- 分配权限对话框 -->
		<el-dialog
		  title="权限分配"
		  :visible.sync="setRightDialogVisible"
		  width="50%"
		  @close="setRightDialogClose">
		  <el-tree :data="rightList" :props="defaultProps" 
		  show-checkbox node-key="id" default-expand-all
		  :default-checked-keys="defKeys" ref="treeRef"></el-tree>
		  <span slot="footer" class="dialog-footer">
		    <el-button @click="setRightDialogVisible = false">取 消</el-button>
		    <el-button type="primary"  @click="allotRights">确 定</el-button>
		  </span>
		</el-dialog>
	</div>
</template>

<script>
	export default {
		data() {
			return {
				rolesList: [],
				setRightDialogVisible : false,
				rightList:[],
				defaultProps: {
				          children: 'children',
				          label: 'authName'
				        },
				defKeys:[],
				roleId:''
			}
		},
		created() {
			this.getRolesList();
		},
		methods: {
			async getRolesList() {
				const {
					data: res
				} = await this.$http.get('roles');
				console.log(res);
				if (res.meta.status !== 200) return this.$message.error('获取权限列表失败！');
				this.rolesList = res.data;
			},
			async removeRightById(role,rightId){
				const confirmRes = await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
				          confirmButtonText: '确定',
				          cancelButtonText: '取消',
				          type: 'warning'
				        }).catch(err=>err);
				// console.log(confirmRes);
				if(confirmRes !== 'confirm') return this.$message.info('取消删除！');
				const {data:res} = await this.$http.delete(`roles/${role.id}/rights/${rightId}`);
				console.log(res);
				if(res.meta.status !== 200) return this.$message.error('删除失败！');
				// this.getRolesList();
				role.children = res.data;
				this.$message.success('删除成功！');
			},
			async showSetRightDialog(role){
				this.roleId = role.id;
				const {data:res} = await this.$http.get('rights/tree');
				if (res.meta.status !== 200) return this.$message.error('获取权限列表失败！');
				this.rightList = res.data;
				this.getLeafKeys(role,this.defKeys);
				this.setRightDialogVisible = true;
			},
			getLeafKeys(node,arr){
				if(!node.children){
					return arr.push(node.id);
				}
				node.children.forEach(item=>
				this.getLeafKeys(item,arr));
			},
			setRightDialogClose(){
				this.defKeys = [];
			},
			async allotRights(){
				const key = [...this.$refs.treeRef.getCheckedKeys(),
				...this.$refs.treeRef.getHalfCheckedKeys()];
				console.log(key);
				const idStr = key.join(',');
				console.log(idStr);
				this.setRightDialogVisible = false;
				const {data:res} = await this.$http.post(`roles/${this.roleId}/rights`,{rids:idStr});
				if (res.meta.status !== 200) return this.$message.error('分配权限失败！'); 
				this.$message.success('分配权限成功！');
				this.getRolesList();
			}
			
		}

	}
</script>

<style>
</style>
